Spa headrest



FIG. 1 is a perspective view of a spa headrest showing our new design coupled to a spa in a position of use;

FIG. 2 is a perspective view of the spa headrest of FIG. 1;

FIG. 3 is a front side elevational view thereof;

FIG. 4 is a rear side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in FIG. 1 represent environmental structure that forms no part of the claimed design. 

CLAIM We claim the ornamental design for a spa headrest, as shown and described. 